Why do blue light glasses make me feel sick? | KOALAEYE OPTICAL

Why do blue light glasses make me feel sick?

With the user as the core, the personalized service of glasses is provided.

Users can actively participate in the innovation of the product. They pay attention to user needs. Consumption is the basis of production, and brand is formed on the basis of perfect experience and user sharing. Modern enterprises focus on the market on users, and users' experiences are the starting point for product development. No matter what kind of mobile terminal, it is highly customized. In smartphones, in particular, each phone number represents a specific person. Mobile applications can provide more accurate personalized services for different persons.


What Are High Index Lenses?

High index lenses are eyeglasses lenses that are designed to be thinner and lighter than regular lenses. High-index lenses have a high refractive index than their conventional counterparts. High index lenses are recommended for people who have significantly high refractive errors and strong prescriptions for nearsightedness, farsightedness or astigmatism.

High index lenses are thinner, lighter and more appealing than standard lenses, but they come in several different indexes such as 1.67 high index lenses and 1.74 high index lenses. In this post, we will focus on the 1.67 high index lenses and 1.74 high index lenses.



How to choose blue light blocking glasses?

Nowadays, electronic products such as mobile phones and computers have become indispensable tools in our lives. While these high-tech products bring us convenience and fun, they also bring symptoms such as eye fatigue and myopia. Subsequently, blue light blocking glasses have also received everyone's attention. Anti-blue glasses are only suitable for people who use electronic products for a long time, not for people who are visually fatigued. Exposure to such unnaturally strong blue light for a long time every day, especially for teenagers and children, needs to pay more attention to the prevention of blue light. So, how to choose suitable blue light blocking glasses for kids?

Anti-blue light is necessary, but not all blue light can be filtered out, because blue light will interfere with the body's melatonin secretion after being over-filtered, thereby affecting sleep. Therefore, when choosing blue light blocking glasses, you should choose appropriately according to your own eyes.

For how to choose anti-blue glasses, consumers can distinguish from the color of the lenses. Generally speaking, a lens with a yellow color will have the effect of blocking blue light. But too dark lenses will affect the contrast sensitivity. Therefore, it is recommended that consumers choose moderately. In addition, consumers should also pay attention to whether the glasses products (lenses, frames) have conformity marks, etc. It is best to choose professional and well-known glasses shops to match glasses.


Virtual try-on service

Previously, the only way to buy glasses online was by looking at pictures or reviews. But no matter how real the picture is and how good the buyer's feedback is, more than 80% of them will feel inappropriate once they try it on their face. Either the glasses don't match the shape of the face, or the color doesn't match the skin tone, etc.AR glasses virtual try-on can realize glasses online try-on. Using the phone's camera, users can look at the glasses and try them on their faces. They can turn their head in real-time to see how the glasses look at different angles. Online shopping should be tried on before purchase.



Should I buy prescription glasses online?

Selecting reputable sellers for online shopping glasses is the key to ensuring quality. If you are worried about the quality of online shopping glasses, my suggestion is to choose a reputable, high-quality seller. Usually, online shopping will have an evaluation section. Therefore, you can also refer to the evaluations of other consumers. In addition, by comparing products of the same price, choose the most cost-effective one.


What Is Plastic Lens?

In the above part, we have introduced what polycarbonate lenses are. In this section, we will show you what the plastic lens is.

The plastic lens was first introduced in 1947. Since then, plastic has become a popular and widely used material for making eyeglasses lenses. Since the introduction and use of plastic lenses, it has sealed its mark as the most preferred choice in the optical industry.

Plastic lenses are light. With this feature, plastic lenses are popular because they will not be heavy inside the glasses frame and permit for an easy fit in any type of glasses frame. In addition, plastic glasses are cheap and easy to obtain in desired amounts. So, they are affordable for most people. Plastic lenses are very durable. So, they do not shatter easily on impact which makes it a great choice for individuals who are active or tend to drop their glasses often.

However, compared with other lens materials, plastic lenses are usually thick due to their low index of refraction. The soft feature of plastic glasses makes them susceptible to scratching from a sharp object and why scratch-resistant coating is applied to form an additional protective layer. Plastic lenses do not provide ultraviolet protection.


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An oval face fits all frames.

It is still expensive to get glasses, so it is best to know what shape you are suitable for before getting glasses. A suitable pair of glasses frame, not only can make the vision more clear but can increase the appearance. There are different tips and methods for choosing glasses for different face types. Glasses can not only assist myopia, but play the role of modifying the face, so how should different face types choose suitable glasses?

If you have an oval face, you should be lucky to have a uniform shape that allows you to pull off all frames. The widest part of this face is located in the front part and moves smoothly to the forehead and the sides of the chin. Due to uniform proportion, the face has no special defect to cover.

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